Home / 4,122.14-6,180-2,802.44

Finding the Fourth Proportional to 4,122.14, 6,180 and 2,802.44

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Solution

The fourth proportional to 4,122.14, 6,180 and 2,802.44 is: 4,201.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.14 : 6,180 = 2,802.44 : x
  2. Step 2: Convert to fraction form
    4,122.14/6,180 = 2,802.44/x
  3. Step 3: Cross multiply
    4,122.14x = 6,180 × 2,802.44
  4. Step 4: Simplify right side
    4,122.14x = 17,319,079.20
  5. Step 5: Solve for x
    x = 17,319,079.20/4,122.14
  6. Step 6: Final answer
    x = 4,201.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.